basic machine learning and object  detection based on keypoints

Báo cáo hóa học: " Research Article Static Object Detection Based on a Dual Background Model and a Finite-State Machine Rub´ n Heras Evangelio and Thomas Sikora e" doc

Báo cáo hóa học: " Research Article Static Object Detection Based on a Dual Background Model and a Finite-State Machine Rub´ n Heras Evangelio and Thomas Sikora e" doc

... abandoned object was detected False detections indicate that an abandoned object was detected where, in fact, there was not an abandoned object (but, for example, a person) Missed detections indicate ... IEEE Conference on Advanced Video and Signal Based Surveillance (AVSS ’07), pp 242–247, London, UK, September 2007 [4] A Singh, S Sawan, M Hanmandlu, V K Madasu, and B C Lovell, “An abandoned object ... corresponding to moving objects and temporarily static objects, as well as shadows and illumination changes that the long-term background model fails to incorporate FS contains the moving objects and...

Ngày tải lên: 21/06/2014, 07:20

11 377 0
approaches to visual feature extraction and fire detection based on digital images

approaches to visual feature extraction and fire detection based on digital images

... detection based on computer vision, presents three models of fire detection based on computer vision: early fire detection in general use-case, early fire detection in weak-light environment, and ... detection in weak-light environment In this section, the problem of fire detection based on computer vision in weak-light environment (WLE) is considered In this condition, the flame is small and ... methods in vision -based fire detection returns good results in some conditions of use-case, and may give bad results in other conditions In particularly, current vision -based fire detection methods...

Ngày tải lên: 20/01/2015, 21:12

27 337 0
Muscle force estimation and fatigue detection based on sEMG signals

Muscle force estimation and fatigue detection based on sEMG signals

... contraction and varying force contraction  Implement the force estimation method and fatigue detection approach in realtime and test with online sEMG signals The CWT -based force estimation method ... force estimation approaches will be described in Chapter 4, one is based on sEMG-force relationship, and another is based on the CWT and ANN In addition, a novel fatigue detection method will ... prolonged and relatively strong muscle activity Therefore, muscle force estimation and fatigue detection are considerably important for biofeedback and HMI of assistive device and rehabilitation...

Ngày tải lên: 10/09/2015, 09:23

176 361 0
Ultra sensitive and selective detection based on oligonucleotide nanoparticle biosensors

Ultra sensitive and selective detection based on oligonucleotide nanoparticle biosensors

... Secondly, an oligonucleotide is immobilized on the nanoparticles through chemical reactions between DNAs and functional groups on the surface of nanoparticles In this section, we focus on the conjugation ... based methods (colorimetric ones based on Au NP and luminescent ones dependant on upconversion particles) for detection of nucleic acids have been widely reported and reviewed [1, 50-51] These ... probes A, B and C7 upon addition of various metal ions (10 µM) 56 Figure 2.6 Normalized melting curves of a solution containing 14-nm NP probes A, B and C7 with different concentrations of Hg2+...

Ngày tải lên: 10/09/2015, 15:52

159 398 0
Báo cáo khoa học: "Using Machine Learning to Maintain Rule-based Named-Entity Recognition and Classification Systems" pdf

Báo cáo khoa học: "Using Machine Learning to Maintain Rule-based Named-Entity Recognition and Classification Systems" pdf

... Automatically Constructing a Dictionary for Information Extraction Tasks Proc of the National Conference on Artificial Intelligence, pp 811-816 Riloff E and Jones R., 1999 Learning Dictionaries for ... Publication, Gaithersburg, USA, to appear Thompson C., Califf M., Mooney R., 1999 Active Learning for Natural Language Parsing and Information Extraction Proc of the International Conference on Machine ... work on the domain adaptation of NERC systems using machine learning (ML) techniques Section presents the two rule -based NERC systems for Greek and French Section explains our method and Section...

Ngày tải lên: 23/03/2014, 19:20

8 400 0
Báo cáo sinh học: " Voice activity detection based on conjugate subspace matching pursuit and likelihood ratio test" doc

Báo cáo sinh học: " Voice activity detection based on conjugate subspace matching pursuit and likelihood ratio test" doc

... and are not sensitive to the noise Decision rule based on MP coefficients and LRT In this section, the VAD based on the MP coefficients and LRT is presented in Section 3.1 To test the distribution ... algorithm is described in Section 2.1, and the demonstration of algorithm and compar- ison between MP coefficients and DFT coefficients are presented in Section 2.2 2.1 Conjugate subspace MP Matching ... most dominant component, then subtracting its contribution from the signal and iterating the estimation on the residual By subtracting a component at each iteration, the next component selected...

Ngày tải lên: 18/06/2014, 22:20

33 370 0
báo cáo hóa học:" Voice activity detection based on conjugate subspace matching pursuit and likelihood ratio test" pot

báo cáo hóa học:" Voice activity detection based on conjugate subspace matching pursuit and likelihood ratio test" pot

... and are not sensitive to the noise Decision rule based on MP coefficients and LRT In this section, the VAD based on the MP coefficients and LRT is presented in Section 3.1 To test the distribution ... algorithm is described in Section 2.1, and the demonstration of algorithm and compar- ison between MP coefficients and DFT coefficients are presented in Section 2.2 2.1 Conjugate subspace MP Matching ... most dominant component, then subtracting its contribution from the signal and iterating the estimation on the residual By subtracting a component at each iteration, the next component selected...

Ngày tải lên: 20/06/2014, 04:20

33 334 0
Báo cáo toán học: " Voice activity detection based on conjugate subspace matching pursuit and likelihood ratio test" pot

Báo cáo toán học: " Voice activity detection based on conjugate subspace matching pursuit and likelihood ratio test" pot

... Section 2.1, and the demonstration of algorithm and comparison between MP coefficients and DFT coefficients are presented in Section 2.2 Deng and Han EURASIP Journal on Audio, Speech, and Music ... coefficients, and are not sensitive to the noise Decision rule based on MP coefficients and LRT In this section, the VAD based on the MP coefficients and LRT is presented in Section 3.1 To test ... most dominant component, then subtracting its contribution from the signal and iterating the estimation on the residual By subtracting a component at each iteration, the next component selected...

Ngày tải lên: 20/06/2014, 21:20

12 454 0
Báo cáo hóa học: "Research Article Joint Signal Detection and Classification Based on First-Order Cyclostationarity For Cognitive Radios" pot

Báo cáo hóa học: "Research Article Joint Signal Detection and Classification Based on First-Order Cyclostationarity For Cognitive Radios" pot

... first-order cyclostationarity -based joint detection and classification algorithm First-Order Cyclostationarity -Based Joint Detection and Classification of FSK and AM Signals The existence and number of ... Removal of out-of-band noise and downconversion Discretization and normalization Estimation of the first-order CM magnitude at candidate CFs over the range corresponding to the signal bandwidth normalized ... detection and classification of FSK and AM signals A first-order cyclostationarity -based joint signal detection and classification algorithm is proposed, with relaxed a priori information on the...

Ngày tải lên: 21/06/2014, 19:20

12 343 0
Báo cáo hóa học: " Research Article Simulating Visual Pattern Detection and Brightness Perception Based on Implicit Masking" docx

Báo cáo hóa học: " Research Article Simulating Visual Pattern Detection and Brightness Perception Based on Implicit Masking" docx

... n and I0 are parameters that represent the exponent and the semisaturation constant of the Naka-Rushton equation, respectively, and w0 is a reference luminance value In conditions where Ic and ... implicit masking and compressive nonlinear processes Nonlinearity and divisive normalization Nonlinear processes in vision have often been explained by a nonlinear transducer function [30, 31] According ... Tm + T0 w0 (6) where v and T0 are parameters that represent the exponent and the semisaturation constant of the Naka-Rushton equation for the cortical nonlinear compression, respectively The term...

Ngày tải lên: 22/06/2014, 23:20

11 352 0
1 UNFIRED BRICK USING FLY ASH AND RED MUD BASED  ON GEOPOLYMER TECHNOLOGY

1 UNFIRED BRICK USING FLY ASH AND RED MUD BASED ON GEOPOLYMER TECHNOLOGY

... stages: destruction–coagulation, coagulation–condensation, condensation crystallization Afterthat, Glukhovsky theories were extended by different authors In this theories [3], dissolution of the solid ... responsible for conversion of the solid particles during geopolymerization Once in solution the species released by dissolution are incorporated into the aqueous phase, which may already contain ... solution, then the formation of a gel, as the oligomers in the aqueous phase form large networks by condensation After gelation, the system continues to rearrange and reorganize, as the connectivity...

Ngày tải lên: 01/04/2013, 22:46

6 864 8
Báo cáo khoa học: "A Framework for Figurative Language Detection Based on Sense Differentiation" pptx

Báo cáo khoa học: "A Framework for Figurative Language Detection Based on Sense Differentiation" pptx

... Michael Halliday and Ruqaiya Hasan 1976 Cohesion in English Longman, London Graham Katz and Eugenie Giesbrecht 2006 Automatic identification of non-compositional multiword expressions using latent ... Sense Disambiguation area Unlike our approach, the authors focus their attention only on the detection of figuratevely used verbs and, whereas we only refer to the concepts and ideas of WSD, they ... Nissim and Markert (2003) proposed a machine learning algorithm for metonymy resolution They state the problem of metonymy resolution as a classification task between literal use of a word and a...

Ngày tải lên: 07/03/2014, 22:20

6 540 0
Báo cáo khoa học: Well-defined secondary structures Information-storing molecular duplexes and helical foldamers based on unnatural peptide backbones pot

Báo cáo khoa học: Well-defined secondary structures Information-storing molecular duplexes and helical foldamers based on unnatural peptide backbones pot

... orientation of the amide oxygens yielded an interior cavity that is electronegative and hydrophilic Once the conformation of the amide backbone was confirmed, the extension of the backbone beyond the ... oligoamide backbone could fold into well-defined and robust conformation based on backbone rigidification, could the same strategy of backbone rigidification be applied to different unnatural backbones? Initial ... predictable directionality and strength of this noncovalent interaction During the last decade, hydrogen-bonded complexes based on rigid heterocycles with multiple H-bonding donor (D) and acceptor...

Ngày tải lên: 23/03/2014, 12:20

10 390 0
machine learning and robot perception bruno apolloni 2012 pot

machine learning and robot perception bruno apolloni 2012 pot

... follow object translations and rotations, and some perspective deformations, as shown in Fig 1.4 Object translation in the image is Learning Visual Landmarks for Mobile Robot Topological Navigation ... 1.13 Pattern-window’s position evaluation function The correlation-windows should be chosen so that each one has a high correlation value in one and only one location inside the target box (for ... localization and of perception of the environment [42] On the other hand, topological navigation is heavily dependent on a powerful perception system to identify elements of the environment Chosen...

Ngày tải lên: 28/03/2014, 14:20

357 271 0
A WORLD WIDE REVIEW OF THE COMMERCIAL PRODUCTION OF BIODIESEL – A technological, economic and ecological investigation based on case studies pot

A WORLD WIDE REVIEW OF THE COMMERCIAL PRODUCTION OF BIODIESEL – A technological, economic and ecological investigation based on case studies pot

... operation Fuel dispensing Fuel storage and distribution Fuel production Feedstock transport Feedstock and fertilizer production Land use changes and cultivation CH4 and CO2 leaks and flares Emissions ... storage and distribution Fuel production Feedstock transport Feedstock and fertilizer production Land use changes and cultivation CH4 and CO2 leaks and flares Emissions displaced by co-products Sub ... in Phase III show a Biodiesel economy based primarily on a feasible economic production, distribution and use of Biodiesel, and a self supportive Biodiesel economy KNOTHE, G., DUNN, R.O., BAGBY,...

Ngày tải lên: 29/03/2014, 17:20

164 601 3
Báo cáo khoa học: "Unsupervised Topic Identification by Integrating Linguistic and Visual Information Based on Hidden Markov Models" potx

Báo cáo khoa học: "Unsupervised Topic Identification by Integrating Linguistic and Visual Information Based on Hidden Markov Models" potx

... Note that actions are supposed to have two levels: [action declaration] means a declaration of beginning a series of actions and [individual action] means an action that is the finest one In this ... duration below a certain amplitude level which lasts more than one second Topic Identification based on HMMs We employ HMMs for topic identification, where a hidden state corresponds to a topic and ... frame and background image) We are planning to perform object recognition using the automatically-constructed object model and utilize the object recognition results as a feature for HMM-based...

Ngày tải lên: 31/03/2014, 01:20

8 354 0
Báo cáo toán học: " A novel voice activity detection based on phoneme recognition using statistical model" pdf

Báo cáo toán học: " A novel voice activity detection based on phoneme recognition using statistical model" pdf

... recursive phoneme recognition and noise suppression methods is given in Section The detail experiments and simulation results are shown in Section Finally, the discussion and conclusion are drawn ... method by regarding the nonspeech as an additional phoneme (named as usp ) corresponding to the conventional phonemes (such as zh , ang et al.) in mandarin, and using the GMMs based HMM hybrid model ... white noise at SNR = (a) based on the proposed VAD; (b) based on the combined method Figure VAD at non-stationary noise at SNR = (a) based on the proposed VAD; (b) based on the combined method...

Ngày tải lên: 20/06/2014, 20:20

28 475 0
Báo cáo hóa học: " Quality of service implications of power control and multiuser detection-based cross-layer design" docx

Báo cáo hóa học: " Quality of service implications of power control and multiuser detection-based cross-layer design" docx

... Division Multiple Access protocol they assume synchrony on a frame level basis A frame thereby consists of an RTS zone, a CTS zone, a DATA zone, and an acknowledgment (ACK) zone and is consecutively ... implications of power control and multiuser detection -based cross-layer design EURASIP Journal on Wireless Communications and Networking 2011 2011:9 Submit your manuscript to a journal and benefit ... transmit all control signaling separately to avoid collisions between control and data packets [18] Using a separate control channel requires additional resources, dependent on the amount of control...

Ngày tải lên: 21/06/2014, 03:20

13 531 0
báo cáo hóa học:" A novel voice activity detection based on phoneme recognition using statistical model" ppt

báo cáo hóa học:" A novel voice activity detection based on phoneme recognition using statistical model" ppt

... recursive phoneme recognition and noise suppression methods is given in Section The detail experiments and simulation results are shown in Section Finally, the discussion and conclusion are drawn ... method by regarding the nonspeech as an additional phoneme (named as usp ) corresponding to the conventional phonemes (such as zh , ang et al.) in mandarin, and using the GMMs based HMM hybrid model ... white noise at SNR = (a) based on the proposed VAD; (b) based on the combined method Figure VAD at non-stationary noise at SNR = (a) based on the proposed VAD; (b) based on the combined method...

Ngày tải lên: 21/06/2014, 17:20

28 394 0
Báo cáo hóa học: "Research Article Stability and Convergence Results Based on Fixed Point Theory for a Generalized Viscosity Iterative Scheme" pot

Báo cáo hóa học: "Research Article Stability and Convergence Results Based on Fixed Point Theory for a Generalized Viscosity Iterative Scheme" pot

... Assumption , f is a contraction on C Assumption , and Q is a self-mapping on W satisfying Assumption Since αk → 0, δk → and εk → as k → ∞ from Assumptions 1 and and K1 is finite, ρk → as k → ∞ and ... asymptotically contractive semigroup on C if it holds the uniform Lipschitzian condition k s ≤ δ < resp., limS k s ≤ δ < on the Lipschitz constants 6 Fixed Point Theory and Applications The iteration process ... functional in the case that the last one is very involved A generalization of the contraction principle in metric spaces by using continuous nondecreasing functions subject to an inequality-type constraint...

Ngày tải lên: 21/06/2014, 20:20

19 351 0
w